66974787

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 110423040

約数和(自身を除く): 43448253

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 139, 157, 279, 341, 417, 471, 1023, 1251, 1413, 1529, 1727, 3069, 4309, 4587, 4867, 5181, 12927, 13761, 14601, 15543, 21823, 38781, 43803, 47399, 53537, 65469, 142197, 160611, 196407, 240053, 426591, 481833, 676513, 720159, 2029539, 2160477, 6088617, 7441643, 22324929, 66974787]

約数ペア:

[(1, 66974787), (3, 22324929), (9, 7441643), (11, 6088617), (31, 2160477), (33, 2029539), (93, 720159), (99, 676513), (139, 481833), (157, 426591), (279, 240053), (341, 196407), (417, 160611), (471, 142197), (1023, 65469), (1251, 53537), (1413, 47399), (1529, 43803), (1727, 38781), (3069, 21823), (4309, 15543), (4587, 14601), (4867, 13761), (5181, 12927)]